CN114700812B - Method for eliminating influence of cutter abrasion on tooth thickness of sealing tooth - Google Patents
Method for eliminating influence of cutter abrasion on tooth thickness of sealing tooth Download PDFInfo
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- CN114700812B CN114700812B CN202210412103.3A CN202210412103A CN114700812B CN 114700812 B CN114700812 B CN 114700812B CN 202210412103 A CN202210412103 A CN 202210412103A CN 114700812 B CN114700812 B CN 114700812B
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- tooth
- cutter
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- teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides a method for eliminating the influence of cutter abrasion on the thickness of a sealed tooth, wherein the surface of a cutter is coated with a CP200 coating, and the CP200 coating can ensure that the loss of the cutter is linearly increased in the process of grinding the sealed tooth; only one side of a plurality of sealing teeth is processed by the cutter in sequence until the last sealing tooth is processed by the cutter according to the characteristic that the thickness of the cutter is changed linearly; the same cutter is adopted to sequentially process the other sides of the plurality of sealing teeth from the last sealing tooth until the last sealing tooth, the processing of the sealing teeth is completed, the thickness of each sealing tooth after being processed is ensured to be consistent, the method is simple to operate, the processing efficiency of the sealing teeth can be improved, and the thickness of each sealing tooth is ensured to be the same.
Description
Technical Field
The invention belongs to the field of machining, and particularly relates to a method for eliminating influence of tool abrasion on seal tooth thickness.
Background
The sealing tooth structure is widely applied to engines, and the abrasion of a cutter is large when the sealing tooth made of difficult-to-machine materials is machined. At present, from the both sides of first tooth of obturating to the last tooth of obturating of first in proper order processing tooth, during the tooth of obturating of finish turning, along with the wearing and tearing of cutter, can lead to the tooth thickness of the obturating of processing at the back super poor, especially to the tooth of obturating that is in the tail position, its thickness is compared in the tooth thickness of the obturating of first processing and differs great, and then leads to the problem that the precision is poor to appear in the use.
In the production process in the prior art, the sealing tooth thickness is usually guaranteed by adjusting the cutter compensation for multiple times and processing the teeth one by one, namely, in the process of processing each sealing tooth, the thickness of each sealing tooth is continuously adjusted by examples according to the abrasion condition of a cutter, and then the thickness of each sealing tooth is consistent, so that the operation can lead each sealing tooth to be consistent, but multiple times of operation not only wastes time and has low processing efficiency, but also easily causes quality problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for eliminating the influence of cutter abrasion on the thickness of a sealing tooth, solves the problem that the cutter abrasion influences the thickness of the sealing tooth, and simultaneously improves the processing efficiency to ensure that the thickness of the sealing tooth is more uniform.
The invention is realized by the following technical scheme:
a method for eliminating influence of cutter abrasion on tooth thickness of a sealing tooth comprises the following steps:
s1: coating a coating on the surface of a cutter, wherein the coating is CP200, and only one side of a plurality of sealing teeth is processed by adopting the cutter in sequence until the last sealing tooth is processed;
s2: and (3) sequentially machining the other sides of the sealing teeth from the last sealing tooth to the last sealing tooth by adopting the same cutter, and finishing the machining of the sealing teeth.
Further, the machining mode of the sealing teeth is grinding by adopting a cutter.
Further, in the step S2, before the tool is machined, the temperature of the tool needs to be reduced to the initial temperature of the tool in the step S1.
Furthermore, the sealing teeth are made of metal materials.
Further, the hardness of the sealing tooth is HB285-341.
Further, the thickness of the sealing teeth is 0.13-0.09mm.
Further, the tooth space of the sealing teeth is 4 +/-0.1 mm.
Further, the specification of the cutter is LCMF1603-0300-MP.
Further, the cutter adopts a ball head cutter in the machining process.
Further, the radius of the ball-end cutter is 1.5mm.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a method for eliminating the influence of cutter abrasion on the thickness of a sealed tooth, wherein the surface of a cutter is coated with a CP200 coating, and the CP200 coating can ensure that the loss of the cutter is linearly increased in the process of grinding the sealed tooth; only one side of a plurality of sealing teeth is processed by the cutter in sequence until the last sealing tooth is processed by the cutter according to the characteristic that the thickness of the cutter is linearly changed; the same cutter is adopted to sequentially process the other sides of the plurality of sealing teeth from the last sealing tooth until the last sealing tooth, the processing of the sealing teeth is completed, the thickness of each sealing tooth after being processed is ensured to be consistent, the method is simple to operate, the processing efficiency of the sealing teeth can be improved, and the thickness of each sealing tooth is ensured to be the same.
Drawings
FIG. 1 is a schematic view of one embodiment of the present invention for machining a side seal tooth to eliminate tool wear;
FIG. 2 is a schematic view of a tool wear-free machining of a seal tooth on the other side in an embodiment of the present invention;
FIG. 3 is a graph of tool wear in an embodiment of the present invention;
FIG. 4 is a graph showing the effect of tool wear on seal tooth thickness in an embodiment of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention provides a method for eliminating the influence of cutter abrasion on the thickness of a sealing tooth, which comprises the following steps as shown in figure 1:
s1: coating a coating on the surface of a cutter, wherein the coating is CP200, and only one side of a plurality of sealing teeth is processed by adopting the cutter in sequence until the last sealing tooth is processed;
s2: and (3) sequentially machining the other sides of the sealing teeth from the last sealing tooth to the last sealing tooth by using the same cutter, and finishing the machining of the sealing teeth.
Specifically, the CP200 coating can be adopted to enable the loss of the cutter to be linearly increased in the process of grinding the sealed teeth, as shown in fig. 2 and 3, the thickness of each sealed tooth can be guaranteed to be the same by means of the characteristic that the thickness of the cutter is linearly changed
Specifically, the machining mode of the sealing teeth is grinding by adopting a cutter.
Further, step S2 needs to cool the tool to the initial temperature of the tool in step S1 before the tool is machined, so as to ensure that the tool states of the machining on both sides of the sealing tooth tend to be consistent, and further, the thickness consistency of both sides of the sealing tooth can be improved, and the machining precision of the sealing tooth is improved.
Furthermore, the sealing teeth are made of metal materials, specifically, alloy materials GH698.
Further, the hardness of the sealing tooth is HB285-341.
Furthermore, the thickness of the sealing teeth is 0.13-0.09mm.
Furthermore, the tooth space of the sealing teeth is 4 +/-0.1 mm.
Further, the specification of the cutter is LCMF1603-0300-MP.
Further, the cutter adopts a ball-end cutter in the machining process.
Further, the radius of the ball-end cutter is 1.5mm.
The invention provides a preferred embodiment, the number of the teeth of the sealing teeth is 7, after the sealing teeth are finished in a sequential processing mode in the prior art, the tooth thickness of the sealing teeth is measured, and the fact that due to tool abrasion, the thicknesses of a first tooth and a second tooth are qualified, the thickness of a third tooth is 0.15mm, the thickness exceeds 0.02mm, tool compensation is required to be adjusted for secondary processing, and the like, the tool is abraded more, and the distance for adjusting the tooth thickness of the subsequent tooth is larger.
Adopt this application the finish machining of processing mode finish seal tooth, at first to cutter surface coating material be CP 200's coating, later carry out abrasive machining to seal tooth one side in proper order, carry out abrasive machining in proper order again in reverse another time from last seal tooth, the tooth thickness of the seal tooth that obtains is unanimous, all is about 0.11mm, and one-time processing can accomplish processing, guarantees the tooth thickness size.
The two processing modes are compared, so that products with the same tooth thickness can be processed by the processing mode, meanwhile, the frequent measurement and knife repair adjusting time is saved by about 0.5 hour, and the processing efficiency is improved by 10-25%.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the scope of the embodiments of the present invention in nature.
Claims (10)
1. A method for eliminating influence of cutter abrasion on tooth thickness of a sealing tooth is characterized by comprising the following steps:
s1: coating a coating on the surface of a cutter, wherein the coating is CP200, and only one side of a plurality of sealing teeth is processed by adopting the cutter in sequence until the last sealing tooth is processed;
s2: and (3) sequentially machining the other sides of the sealing teeth from the last sealing tooth to the last sealing tooth by adopting the same cutter, and finishing the machining of the sealing teeth.
2. The method for eliminating the influence of tool wear on the thickness of the seal teeth according to claim 1, wherein the seal teeth are machined by tool grinding.
3. The method for eliminating the influence of tool wear on the tooth thickness of the seal tooth as claimed in claim 1, wherein the step S2 is to cool the tool to the initial temperature of the tool in the step S1 before the tool is machined.
4. The method of claim 1, wherein the seal teeth are made of a metallic material.
5. The method of eliminating the effect of tool wear on seal tooth thickness as claimed in claim 1 wherein said seal tooth hardness is HB285-341.
6. The method of eliminating the effect of tool wear on seal tooth thickness as set forth in claim 1 wherein said seal tooth has a tooth thickness of 0.13-0.09mm.
7. The method of eliminating the effect of tool wear on seal tooth thickness as set forth in claim 1 wherein said seal teeth have a tooth spacing of 4 ± 0.1mm.
8. The method for eliminating the influence of cutter abrasion on the tooth thickness of a sealed tooth as claimed in claim 1, wherein the specification of the cutter is LCMF1603-0300-MP.
9. The method of eliminating the effect of tool wear on seal tooth thickness as set forth in claim 1 wherein said tool employs a ball nose tool during machining.
10. The method of claim 9 wherein the radius of the button knife is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210412103.3A CN114700812B (en) | 2022-04-19 | 2022-04-19 | Method for eliminating influence of cutter abrasion on tooth thickness of sealing tooth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210412103.3A CN114700812B (en) | 2022-04-19 | 2022-04-19 | Method for eliminating influence of cutter abrasion on tooth thickness of sealing tooth |
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| CN114700812A CN114700812A (en) | 2022-07-05 |
| CN114700812B true CN114700812B (en) | 2023-01-31 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05140729A (en) * | 1991-11-14 | 1993-06-08 | Toshiba Tungaloy Co Ltd | High adhesion coated member and its production |
| DE59403689D1 (en) * | 1993-03-16 | 1997-09-18 | Balzers Hochvakuum | Process for increasing tool life and tool coated with wear protection |
| CN106346198A (en) * | 2016-08-29 | 2017-01-25 | 中航动力股份有限公司 | Machining method for improving surface integrity of sealing labyrinth of rotating part |
| CN106407598A (en) * | 2016-10-14 | 2017-02-15 | 山东理工大学 | Method for prolonging service life of metal cutting coated tool |
| CN110434357A (en) * | 2019-07-09 | 2019-11-12 | 中国航发哈尔滨东安发动机有限公司 | High temperature alloy labyrinth gas seals class part by numerical control processing method |
| CN111185720A (en) * | 2018-11-15 | 2020-05-22 | 沈阳黎明国际动力工业有限公司 | Machining method for sealing labyrinth on turbine journal of aircraft engine |
| CN112091235A (en) * | 2020-09-15 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Powder high-temperature alloy stepped grate vehicle machining method |
-
2022
- 2022-04-19 CN CN202210412103.3A patent/CN114700812B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05140729A (en) * | 1991-11-14 | 1993-06-08 | Toshiba Tungaloy Co Ltd | High adhesion coated member and its production |
| DE59403689D1 (en) * | 1993-03-16 | 1997-09-18 | Balzers Hochvakuum | Process for increasing tool life and tool coated with wear protection |
| CN106346198A (en) * | 2016-08-29 | 2017-01-25 | 中航动力股份有限公司 | Machining method for improving surface integrity of sealing labyrinth of rotating part |
| CN106407598A (en) * | 2016-10-14 | 2017-02-15 | 山东理工大学 | Method for prolonging service life of metal cutting coated tool |
| CN111185720A (en) * | 2018-11-15 | 2020-05-22 | 沈阳黎明国际动力工业有限公司 | Machining method for sealing labyrinth on turbine journal of aircraft engine |
| CN110434357A (en) * | 2019-07-09 | 2019-11-12 | 中国航发哈尔滨东安发动机有限公司 | High temperature alloy labyrinth gas seals class part by numerical control processing method |
| CN112091235A (en) * | 2020-09-15 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Powder high-temperature alloy stepped grate vehicle machining method |
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| CN114700812A (en) | 2022-07-05 |
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